{"id":362205,"date":"2026-05-05T17:37:18","date_gmt":"2026-05-05T12:07:18","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=362205"},"modified":"2026-05-05T17:37:18","modified_gmt":"2026-05-05T12:07:18","slug":"apnoea-test","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/apnoea-test\/","title":{"rendered":"Apnoea Test"},"content":{"rendered":"<p><strong>News<\/strong>: The Supreme Court of India observed that a plea raised concerns that the apnoea test may not conclusively determine brain death.<\/p>\n<h2>About Apnoea Test<\/h2>\n<figure id=\"attachment_362212\" aria-describedby=\"caption-attachment-362212\" style=\"width: 321px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-362212\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/05\/Source-CPAP.jpg?resize=321%2C403&#038;ssl=1\" alt=\"Apnoea Test\" width=\"321\" height=\"403\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/05\/Source-CPAP.jpg?resize=239%2C300&amp;ssl=1 239w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/05\/Source-CPAP.jpg?w=702&amp;ssl=1 702w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><figcaption id=\"caption-attachment-362212\" class=\"wp-caption-text\">Source &#8211; CPAP<\/figcaption><\/figure>\n<ul>\n<li>The <strong>apnoea test<\/strong> is considered an <strong>essential clinical test for determining brain death<\/strong> by assessing loss of brainstem function.<\/li>\n<li><strong>Aim<\/strong>: The aim is to <strong>confirm the absence of brainstem function<\/strong> by observing <strong>breathing response<\/strong> <strong>when<\/strong> <strong>carbon dioxide level rises<\/strong>.<\/li>\n<li><strong>Indicators<\/strong>: <strong>Absence of breathing effort<\/strong> at a carbon dioxide level of about <strong>60 mmHg or a 20 mmHg rise<\/strong> from baseline supports brain death, while any breathing effort rules it out.<\/li>\n<li><strong>Key aspects:<\/strong>\n<ul>\n<li><strong>Essential yet difficult test:<\/strong> It is considered a <strong>necessary condition<\/strong> for brain death, but it is<strong> difficult<\/strong>, lengthy, and may cause complications.<\/li>\n<li><strong>Prerequisites before test: <\/strong>The test requires <strong>stable conditions<\/strong> such as <strong>normal body temperature, proper oxygen level, normal carbon dioxide level, stable blood pressure<\/strong>, and <strong>absence of drugs affecting respiration.<\/strong><\/li>\n<li><strong>Procedure and threshold:<\/strong> The test is considered <strong>positive when no breathing effort is seen at a carbon dioxide level of about 60 mmHg or a 20 mmHg rise from baseline.<\/strong><\/li>\n<li><strong>Monitoring and Stopping Conditions:<\/strong> The <strong>test must be stopped if blood pressure falls below 90 mmHg, oxygen levels drop<\/strong> significantly, or cardiac arrhythmia occurs.<\/li>\n<li><strong>Complications and Risks:<\/strong> The test <strong>may cause hypotension, hypoxia, acidosis, pneumothorax, and cardiac complications<\/strong>, which may force stopping the test and affect diagnosis.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: The Supreme Court of India observed that a plea raised concerns that the apnoea test may not conclusively determine brain death. About Apnoea Test The apnoea test is considered an essential clinical test for determining brain death by assessing loss of brainstem function. Aim: The aim is to confirm the absence of brainstem function&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/apnoea-test\/\">Continue reading <span class=\"screen-reader-text\">Apnoea Test<\/span><\/a><\/p>\n","protected":false},"author":10401,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-362205","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/362205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10401"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=362205"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/362205\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=362205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=362205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=362205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}